| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Hosting & Cloud Providers | |
| IONOS Web hosting and domain provider offering managed plans | 12.6M sites |
| Privacy & Cookie Consent | |
| Cookie Notice WordPress plugin displaying a cookie consent notice | 1.2M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 153.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 43.5M sites |
| Onsen UI UI framework for building hybrid and mobile web apps | 3.1M sites |
| JavaScript Libraries & Widgets | |
| Animate.css CSS library providing ready-made animation effects | 7.6M sites |
| Lightbox JavaScript script displaying images in an overlay popup | 7.6M sites |
| MetaSlider WordPress plugin creating responsive image sliders | 669.3K sites |
| OWL Carousel Touch-enabled jQuery carousel and slider library | 10.2M sites |
| WOW JavaScript library revealing CSS animations on scroll | 5.3M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 53M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Regenerate Thumbnails Other | 806.8K sites |
| Metaslider | 362.4K sites |
| Custom | 64.8K sites |
| Appwplp | 11.6K sites |
| GDPR Security & Privacy | 7.7K sites |
| MetaSlider Gallery – Image Gallery, Lightbox Galleries, Modal Windows Content & Media | 5.5K sites |
| Meta Slider And Carousel With Lightbox | 2.4K sites |
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